BQ24104RHLT

更新时间： 2024-02-25 04:46:10

品牌	Logo	应用领域
德州仪器 - TI		开关
页数	文件大小	规格书
38页	1202K
描述
SYNCHRONOUS SWITCHMODE, LI-ION AND LI-POLYMER CHARGE-MANAGEMENT IC WITH INTEGRATED POWER FETs (bqSWITCHER™)

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替代型号

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BQ24104RHLT 数据手册

bq24100, bq24103, bq24103A

bq24104, bq24105, bq24108, bq24109

Actual Size

4,5 mm x 3,5 mm

bq24113, bq24113A, bq24115

www.ti.com .................................................................................................................................................. SLUS606N–JUNE 2004–REVISED NOVEMBER 2008

SYNCHRONOUS SWITCHMODE, LI-ION AND LI-POLYMER CHARGE-MANAGEMENT

IC WITH INTEGRATED POWER FETs (bqSWITCHER™)

FEATURES

DESCRIPTION

•

Ideal For Highly Efficient Charger Designs For

Single-, Two- or Three-Cell Li-Ion and

Li-Polymer Battery Packs

The bqSWITCHER™ series are highly integrated

Li-ion

and

Li-polymer

switch-mode

charge

management devices targeted at a wide range of

portable applications. The bqSWITCHER™ series

offers integrated synchronous PWM controller and

power FETs, high-accuracy current and voltage

regulation, charge preconditioning, charge status, and

charge termination, in a small, thermally enhanced

QFN package. The system-controlled version

provides additional inputs for full charge management

under system control.

•

bq24105 Also for LiFePO₄Battery (see Using

bq24105 to Charge the LiFePO₄Battery)

Integrated Synchronous Fixed-Frequency

PWM Controller Operating at 1.1 MHz With 0%

to 100% Duty Cycle

•

Integrated Power FETs For Up To 2-A Charge

Rate

•

High-Accuracy Voltage and Current Regulation

The bqSWITCHER charges the battery in three

phases: conditioning, constant current, and constant

voltage. Charge is terminated based on user-

selectable minimum current level. A programmable

charge timer provides a safety backup for charge

termination. The bqSWITCHER automatically restarts

the charge cycle if the battery voltage falls below an

internal threshold. The bqSWITCHER automatically

enters sleep mode when V_CCsupply is removed.

Available In Both Stand-Alone (Built-In Charge

Management and Control) and

System-Controlled (Under System Command)

Versions

•

Status Outputs For LED or Host Processor

Interface Indicates Charge-In-Progress, Charge

Completion, Fault, and AC-Adapter Present

Conditions

RHL PACKAGE

(TOP VIEW)

(bq24100, 03, 03A, 04, 05, 08, 09, 13, 13A, 15)

•

20-V Maximum Voltage Rating on IN and OUT

Pins

•

High-Side Battery Current Sensing

Battery Temperature Monitoring

Automatic Sleep Mode for Low Power

Consumption

STAT2 or NC

STAT1

PGND

•

System-Controlled Version Can Be Used In

NiMH and NiCd Applications

PGND

Reverse Leakage Protection Prevents Battery

Drainage

SNS

VCC

BAT

TTC or CMODE

ISET1

CELLS or FB or NC

•

Thermal Shutdown and Protection

Built-In Battery Detection

ISET2

Available in 20-Pin, 3,5 mm × 4,5 mm QFN

Package

APPLICATIONS

•

Handheld Products

Portable Media Players

Industrial and Medical Equipment

Portable Equipment

Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of Texas

Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet.

bqSWITCHER, PowerPAD are trademarks of Texas Instruments.

All other trademarks are the property of their respective owners.

UNLESS OTHERWISE NOTED this document contains

PRODUCTION DATA information current as of publication date.

Products conform to specifications per the terms of Texas

Instruments standard warranty. Production processing does not

necessarily include testing of all parameters.

12 3 4 5 6 7...38

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BQ24104RHLT 替代型号

型号	品牌	替代类型	描述	数据表
BQ24104RHLR	TI	类似代替	SYNCHRONOUS SWITCHMODE, LI-ION AND LI-POLYMER

与BQ24104RHLT相关器件

型号	品牌	获取价格	描述	数据表
BQ24105	TI	获取价格	SYNCHRONOUS SWITCHMODE, LI-ION AND LI-POL CHARGE MANAGEMENT IC WITH INTEGRATED POWERFETS
BQ24105IRHLRQ1	TI	获取价格	SYNCHRONOUS SWITCHMODE, LI-ION AND LI-POLYMER
BQ24105-Q1	TI	获取价格	SYNCHRONOUS SWITCHMODE, LI-ION AND LI-POLYMER
BQ24105RHLR	TI	获取价格	SYNCHRONOUS SWITCHMODE, LI-ION AND LI-POL CHARGE MANAGEMENT IC WITH INTEGRATED POWERFETS
BQ24105RHLRE3	TI	获取价格	IC,BATTERY MANAGEMENT,LLCC,20PIN,PLASTIC
BQ24105RHLRG4	TI	获取价格	SYNCHRONOUS SWITCHMODE, LI-ION AND LI-POLYMER
BQ24105RHLT	TI	获取价格	SYNCHRONOUS SWITCHMODE, LI-ION AND LI-POL CHARGE MANAGEMENT IC WITH INTEGRATED POWERFETS
BQ24108	TI	获取价格	SYNCHRONOUS SWITCHMODE, LI-ION AND LI-POL CHARGE MANAGEMENT IC WITH INTEGRATED POWERFETS
BQ24108RHLR	TI	获取价格	SYNCHRONOUS SWITCHMODE, LI-ION AND LI-POL CHARGE MANAGEMENT IC WITH INTEGRATED POWERFETS
BQ24108RHLRG4	TI	获取价格	SYNCHRONOUS SWITCHMODE, LI-ION AND LI-POLYMER

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